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comparison dwt/browser.old/FilePicker.d @ 288:4ee8c4237614

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old branches... commit by mistake
author John Reimer<terminal.node@gmail.com>
date Tue, 05 Aug 2008 18:00:50 -0700
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287:9cbe6285f746 288:4ee8c4237614
1 /*******************************************************************************
2 * Copyright (c) 2003, 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * John Reimer <terminal.node@gmail.com>
12 *******************************************************************************/
13
14 module dwt.browser.FilePicker;
15
16 import tango.io.model.IFile;
17 import Utf = tango.text.convert.Utf;
18
19 import dwt.dwthelper.utils;
20
21 import dwt.DWT;
22
23 import XPCOM = dwt.internal.mozilla.nsXPCOM;
24
25 import dwt.browser.Mozilla;
26 import dwt.browser.MozillaDelegate;
27
28 import dwt.internal.mozilla.nsEmbedString;
29 import dwt.internal.mozilla.nsIDOMWindow;
30 import dwt.internal.mozilla.nsID;
31 import dwt.internal.mozilla.nsIFilePicker;
32 import dwt.internal.mozilla.nsILocalFile;
33 import dwt.internal.mozilla.nsISupports;
34 import dwt.internal.mozilla.nsSimpleEnumerator;
35 import dwt.internal.mozilla.nsStringAPI;
36 import dwt.internal.mozilla.nsError;
37
38 import dwt.widgets.DirectoryDialog;
39 import dwt.widgets.Display;
40 import dwt.widgets.FileDialog;
41 import dwt.widgets.Shell;
42
43
44 class FilePicker : nsISupports, nsIFilePicker
45 {
46 /**************************************************************************
47
48 **************************************************************************/
49
50 private
51 {
52 int _refCount = 0;
53 short _mode;
54
55 nsIDOMWindow _parent;
56
57 String[] _files;
58 String _masks;
59 String _defaultFilename,
60 _directory,
61 _title;
62 }
63 /**************************************************************************
64
65 **************************************************************************/
66
67 static final String SEPARATOR = FileConst.FileSeparatorChar;
68
69 /**************************************************************************
70
71 **************************************************************************/
72
73 this ()
74 {
75 }
76
77 /**************************************************************************
78
79 **************************************************************************/
80
81 nsrefcnt AddRef ()
82 {
83 _refCount++;
84 return _refCount;
85 }
86
87 /**************************************************************************
88
89 **************************************************************************/
90
91 nsresult QueryInterface ( inout nsID riid, void** ppvObject)
92 {
93 if (riid is null || ppvObject is null)
94 return NS_ERROR_NO_INTERFACE;
95
96 if (riid == nsISupports.IID)
97 {
98 *ppvObject = cast(void*)cast(nsISupports) this;
99 AddRef ();
100 return NS_OK;
101 }
102
103 if (riid == nsIFilePicker.IID))
104 {
105 *ppvObject = cast(void*)cast(nsIFilePicker) this;
106 AddRef ();
107 return NS_OK;
108 }
109
110 if (riid == nsIFilePicker_1_8.IID)
111 {
112 *ppvObject = cast(void*)cast(nsIFilePicker_1_8) this;
113 AddRef ();
114 return NS_OK;
115 }
116
117 *ppvObject = null;
118 return NS_ERROR_NO_INTERFACE;
119 }
120
121 /**************************************************************************
122
123 **************************************************************************/
124
125 nsrefcnt Release ()
126 {
127 _refCount--;
128
129 if (_refCount is 0)
130 // No big deal here; just allow the GC to reap this object
131 // once all references are expired. -JJR
132 // delete this;
133 return 0;
134
135 return _refCount;
136 }
137
138 /**************************************************************************
139
140 **************************************************************************/
141
142 /* SWT Comment:
143 *
144 * As of Mozilla 1.8 some of nsIFilePicker's string arguments changed type. This method
145 * answers a java string based on the type of string that is appropriate for the Mozilla
146 * version being used.
147 */
148
149 override String parseAString (nsEmbedString str)
150 {
151 return null;
152 }
153
154 /**************************************************************************
155
156 **************************************************************************/
157
158 /* nsIFilePicker */
159
160 nsresult Init (nsIDOMWindow parent, nsAString* title, PRInt16 mode)
161 {
162 _parent = parent;
163 _mode = mode;
164 _title = parseAString (title);
165 return XPCOM;
166 }
167
168 /**************************************************************************
169
170 **************************************************************************/
171
172 nsresult Show (PRUint32* retval)
173 {
174 if (_mode is nsIFilePicker.modeGetFolder)
175 {
176 /* picking a directory */
177 int result = this.showDirectoryPicker ();
178 *retval = result;
179 return NS_OK;
180 }
181
182 /* picking a file */
183 int style = _mode is nsIFilePicker.modeSave ? DWT.SAVE : DWT.OPEN;
184
185 if (_mode is nsIFilePicker.modeOpenMultiple)
186 style |= DWT.MULTI;
187
188 Display display = Display.getCurrent ();
189 Shell parent = null; // TODO compute parent
190
191 if (parent is null)
192 {
193 parent = new Shell (display);
194 }
195
196 FileDialog dialog = new FileDialog (parent, style);
197
198 if (_title !is null)
199 dialog.setText (_title);
200
201 if (_directory !is null)
202 dialog.setFilterPath (_directory);
203
204 if (_masks !is null) {
205 String[] str ~= _masks;
206 dialog.setFilterExtensions ( str );
207 }
208
209 if (_defaultFilename !is null)
210 dialog.setFileName (_defaultFilename);
211
212 String filename = dialog.open ();
213 files = dialog.getFileNames ();
214 _directory = dialog.getFilterPath ();
215 _title = _defaultFilename = null;
216 _masks = null;
217 int result = filename is null ? nsIFilePicker.returnCancel : nsIFilePicker.returnOK;
218 *retval = result;
219 return NS_OK;
220 }
221
222 /**************************************************************************
223
224 **************************************************************************/
225
226 int showDirectoryPicker ()
227 {
228 Display display = Display.getCurrent ();
229 Shell parent = null; // TODO compute parent
230
231 if (parent is null)
232 {
233 parent = new Shell (display);
234 }
235
236 DirectoryDialog dialog = new DirectoryDialog (parent, DWT.NONE);
237
238 if (_title !is null)
239 dialog.setText (_title);
240 if (_directory !is null)
241 dialog.setFilterPath (_directory);
242 _directory = dialog.open ();
243 _title = _defaultFilename = null;
244 _files = _masks = null;
245 return _directory is null ? nsIFilePicker.returnCancel : nsIFilePicker.returnOK;
246 }
247
248 /**************************************************************************
249
250 **************************************************************************/
251
252 nsresult GetFiles ( nsISimpleEnumerator* aFiles)
253 {
254 return NS_ERROR_NOT_IMPLEMENTED;
255 }
256
257 /**************************************************************************
258
259 **************************************************************************/
260
261 nsresult GetFileURL (nsIFileURL aFileURL)
262 {
263 return NS_ERROR_NOT_IMPLEMENTED;
264 }
265
266 /**************************************************************************
267
268 **************************************************************************/
269
270 nsresult GetFile (nsILocalFile* aFile)
271 {
272 String filename = ""; //$NON-NLS-1$
273
274 if (_directory !is null)
275 filename ~= _directory ~ SEPARATOR;
276 if (_files !is null && _files.length > 0)
277 filename ~= _files[0];
278
279 // Create a nsEmbedString which will be automatically disposed
280 // at the end of scope.
281 scope auto path = new nsEmbedString( filename );
282
283 nsresult rc = XPCOM.NS_NewLocalFile ( cast(nsAString*)path, 1, aFile);
284
285 if (rc !is NS_OK)
286 Mozilla.error (rc);
287 if (aFile is null)
288 Mozilla.error (NS_ERROR_NULL_POINTER);
289
290 return NS_OK;
291 }
292
293 /**************************************************************************
294
295 **************************************************************************/
296
297 nsresult SetDisplayDirectory (nsILocalFile aDisplayDirectory)
298 {
299 if (aDisplayDirectory is null)
300 return NS_OK;
301
302 scope auto pathname = new nsEmbedCString;
303 aDisplayDirectory.GetNativePath ( cast(nsACString*)pathname );
304 // TODO: CHECK IF THIS DOES CORRECT STRING CONVERSION -JJR
305 char[] buffer = pathname.toString();
306 char[] chars = MozillaDelegate.mbcsToWcs (null, buffer);
307 // "buffer" contains a dup'ed string so we can safely reuse
308 // it's memory for the _directory member. -JJR
309 _directory = buffer;
310 return NS_OK;
311 }
312
313 /**************************************************************************
314
315 **************************************************************************/
316
317 nsresult GetDisplayDirectory (nsILocalFile* aDisplayDirectory)
318 {
319 String directoryName = _directory !is null ? _directory : ""; //$NON-NLS-1$
320 scope auto path = new nsEmbedString (directoryName);
321 nsresult rc = XPCOM.NS_NewLocalFile ( cast(nsAString*)path, 1, aDisplayDirectory);
322
323 if (rc !is NS_OK)
324 Mozilla.error (rc);
325 if (aDisplayDirectory is null)
326 Mozilla.error (NS_ERROR_NULL_POINTER);
327 return NS_OK;
328 }
329
330 /**************************************************************************
331
332 **************************************************************************/
333
334 nsresult SetFilterIndex (PRInt32 aFilterIndex)
335 {
336 return NS_ERROR_NOT_IMPLEMENTED;
337 }
338
339 /**************************************************************************
340
341 **************************************************************************/
342
343 nresult GetFilterIndex (PRInt32* aFilterIndex)
344 {
345 return NS_ERROR_NOT_IMPLEMENTED;
346 }
347
348 /**************************************************************************
349
350 **************************************************************************/
351
352 int SetDefaultExtension (nsAString* aDefaultExtension)
353 {
354 /* note that the type of argument 1 changed as of Mozilla 1.8 */
355 return NS_ERROR_NOT_IMPLEMENTED;
356 }
357
358 /**************************************************************************
359
360 **************************************************************************/
361
362 int GetDefaultExtension (nsAString* aDefaultExtension)
363 {
364 /* note that the type of argument 1 changed as of Mozilla 1.8 */
365 return NS_ERROR_NOT_IMPLEMENTED;
366 }
367
368 /**************************************************************************
369
370 **************************************************************************/
371
372 nresult SetDefaultString (nsAString* aDefaultString)
373 {
374 defaultFilename = parseAString (aDefaultString);
375 return NS_OK;
376 }
377
378 /**************************************************************************
379
380 **************************************************************************/
381
382 nresult GetDefaultString (nsAString* aDefaultString)
383 {
384 /* note that the type of argument 1 changed as of Mozilla 1.8 */
385 return NS_ERROR_NOT_IMPLEMENTED;
386 }
387
388 /**************************************************************************
389
390 **************************************************************************/
391
392 nresult AppendFilter (nsAString* title, nsAString* filter)
393 {
394 /* note that the type of arguments 1 and 2 changed as of Mozilla 1.8 */
395 return NS_ERROR_NOT_IMPLEMENTED;
396 }
397
398 /**************************************************************************
399
400 **************************************************************************/
401
402 nresult AppendFilters (PRInt32 filterMask)
403 {
404 String addFilters;
405
406 switch (filterMask)
407 {
408 case nsIFilePicker.filterAll:
409 case nsIFilePicker.filterApps:
410 _masks = null; /* this is equivalent to no filter */
411 break;
412 case nsIFilePicker.filterHTML:
413 addFilters = "*.htm;*.html" ;
414 break;
415 case nsIFilePicker.filterImages:
416 addFilters = "*.gif;*.jpeg;*.jpg;*.png";
417 break;
418 case nsIFilePicker.filterText:
419 addFilters = "*.txt";
420 break;
421 case nsIFilePicker.filterXML:
422 addFilters = "*.xml";
423 break;
424 case nsIFilePicker.filterXUL:
425 addFilters = "*.xul";
426 break;
427 }
428
429 if (_masks is null)
430 {
431 _masks = addFilters;
432 } else {
433 if (addFilters !is null)
434 _masks ~= addFilters;
435 }
436 return NS_OK;
437 }
438
439 /******************************************************************************
440
441 FilePicker for Mozilla Version 1.8
442
443 ******************************************************************************/
444
445 class FilePicker_1_8 : FilePicker
446 {
447 String parseAString (nsEmbedString str)
448 {
449 if (str is null)
450 return null;
451 return Utf.toString( str.toString16() );
452 }
453 }